Frequency-dependent reflection of spin waves from a magnetic inhomogeneity induced by a surface direct current

T. Neumann, A.A. Serga, B. Hillebrands, Mikhail Kostylev

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    The reflectivity of a highly localized magnetic inhomogeneity is experimentally studied. The inhomogeneity is created by a direct current carrying wire placed on the surface of a ferrite film. The reflection of propagating dipole-dominated spin-wave pulses is found to be strongly dependent on the spin-wave frequency if the current locally increases the magnetic field. In the opposite case, the frequency dependence is negligible.
    Original languageEnglish
    Pages (from-to)-
    JournalApplied Physics Letters
    Issue number4
    Publication statusPublished - 2009


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